EP33VSS32PH3/BOOT031PB730PB629PB528PB427PB326PA1525PA1424PA1323PA1222PA1121PA1020PA919PA818VDD17VSS16PB115PB014PA713PA612PA511PA410PA39PA28PA17PA0/CK_IN6VDDA/VREF+5NRST4PC15-OSC32_OUT3PC14-OSC32_IN2VDD1